Availability
1959 FORD THUNDERBIRD Differential & Rear-End Components
Ring and Pinion Gears and Installation Kit, 9.0" FORD REAR 4.56 RATIO R&P GEAR/ INSTALL KIT PACKAGE; WITH 28spl T/L POSI (2.89" DO/ OE SUPPORT)
Part Number: YGA-12531
Not Yet Reviewed
Estimated Ship Date: Mar 6, 2026 if ordered today
Estimated Ship Date: Mar 6, 2026 if ordered today
Ring and Pinion Gears and Installation Kit, 9.0" FORD 3.00 RATIO R&P GEAR/ INSTALL KIT PACKAGE; WITH 31spl T/L POSI (FITS 2.89" DO/ DAYTONA PS)
Part Number: YGA-12558
Not Yet Reviewed
Estimated Ship Date: Mar 5, 2026 if ordered today
Estimated Ship Date: Mar 5, 2026 if ordered today
Ring and Pinion Gears and Installation Kit, 9.0" FORD 3.50 RATIO R&P GEAR/ INSTALL KIT PACKAGE; WITH 28spl T/L POSI (FITS 3.062" DO/ DAYTONA PS)
Part Number: YGA-12570
Not Yet Reviewed
Estimated Ship Date: Mar 6, 2026 if ordered today
Estimated Ship Date: Mar 6, 2026 if ordered today
Ring and Pinion Gears and Installation Kit, 9.0" FORD REAR 3.25 RATIO R&P GEAR/ INSTALL KIT PACKAGE; WITH 28spl T/L POSI (2.89" DO/ OE SUPPORT)
Part Number: YGA-12526
Not Yet Reviewed
Estimated Ship Date: Mar 6, 2026 if ordered today
Estimated Ship Date: Mar 6, 2026 if ordered today
Ring and Pinion Gears and Installation Kit, 9.0" FORD 3.25 RATIO R&P GEAR/ INSTALL KIT PACKAGE; WITH 31spl T/L POSI (FITS 2.89" DO/ DAYTONA PS)
Part Number: YGA-12561
Not Yet Reviewed
Estimated Ship Date: Mar 5, 2026 if ordered today
Estimated Ship Date: Mar 5, 2026 if ordered today
Ring and Pinion Installation Kit, Basic, Ford 9 in., Rear, Kit
Part Number: MGR-R9RPK
Not Yet Reviewed
Estimated Ship Date: Feb 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 2026 if ordered today
Ring and Pinion Installation Kit, Basic, Ford 9 in., Rear, Kit
Part Number: MGR-R9R325S
Not Yet Reviewed
Estimated Ship Date: Feb 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 2026 if ordered today
Differential Part
Part Number: MGR-N1941
Not Yet Reviewed
Estimated Ship Date: Feb 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 2026 if ordered today
Ring and Pinion Installation Kit, Master Kit, Ford, 9 in., 28-Spline Pinion, Kit
Part Number: MGR-R9R325MK
Estimated Ship Date: Feb 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 2026 if ordered today
Gear, Ring and Pinion, 6.50:1 Ratio, Ford, 9 in., Set
Part Number: MGR-F890650
Not Yet Reviewed
Estimated Ship Date: Feb 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 2026 if ordered today
Differential Pinion Bearing Kit, Differential Pinion Bearing Kit - Koyo
Part Number: MGR-R9RNPK
Not Yet Reviewed
Estimated Ship Date: Feb 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 2026 if ordered today
Ring and Pinion Installation Kit, Master, Ford 9 in., Rear, Kit
Part Number: MGR-R9RSMKTP
Estimated Ship Date: Feb 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 2026 if ordered today
Ring and Pinion Installation Kit, Basic, Ford 9 in., Rear, Kit
Part Number: MGR-R9R28T
Estimated Ship Date: Feb 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 2026 if ordered today
Ring and Pinion Installation Kit, Ford 9.0 in., Kit
Part Number: MGR-R9R306MKTP
Not Yet Reviewed
Estimated Ship Date: Feb 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 2026 if ordered today
Ring and Pinion Installation Kit, Master, Ford 9 in., Rear, Kit
Part Number: MGR-R9RSMKP
Not Yet Reviewed
Estimated Ship Date: Feb 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 2026 if ordered today
Differential, Grip Pro Traction System, 31-Spline, Ford, 9 in., Each
Part Number: PWT-GT109031
Estimated Ship Date: Mar 24, 2026 if ordered today
Estimated Ship Date: Mar 24, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Mini Spool, MINI SPOOL 8" & 9" 31 SPLN STL
Part Number: RMG-XL-5121
Not Yet Reviewed
Estimated Ship Date: Feb 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 2026 if ordered today
Ring and Pinion Gears, 4.56:1 Ratio, 28-spline, Standard Rotation, Ford 9 in., Ford, Lincoln, Mercury, Rear, Set
Part Number: SPZ-36141
Estimated Ship Date: Feb 20, 2026 if ordered today
Estimated Ship Date: Feb 20, 2026 if ordered today
Cross Shaft, Differential, Steel, Ford 9 in., with Mini-Spool, Each
Part Number: YGA-32235
Not Yet Reviewed
Estimated Ship Date: Mar 9, 2026 if ordered today
Estimated Ship Date: Mar 9, 2026 if ordered today
9" FORD X/PIN SHAFTS + BLOCK, 4 PINION DESIGN, STD or T/L
Part Number: YGA-33333
Not Yet Reviewed
Estimated Ship Date: Mar 9, 2026 if ordered today
Estimated Ship Date: Mar 9, 2026 if ordered today
Roll Pin, Steel, 0.260 in. Diameter, Each
Part Number: YGA-33334
Estimated Ship Date: Mar 9, 2026 if ordered today
Estimated Ship Date: Mar 9, 2026 if ordered today
Cross Shaft, Differential, Steel, Ford 9 in., Short Design without Block, Each
Part Number: YGA-33335
Not Yet Reviewed
Estimated Ship Date: Mar 9, 2026 if ordered today
Estimated Ship Date: Mar 9, 2026 if ordered today
9" FORD X/PIN BLOCK (STD & T/L)
Part Number: YGA-33336
Not Yet Reviewed
Estimated Ship Date: Mar 9, 2026 if ordered today
Estimated Ship Date: Mar 9, 2026 if ordered today
Side gear with hub for 8" and 9" Ford with 28 splines.
Part Number: YGA-16163
Estimated Ship Date: Mar 9, 2026 if ordered today
Estimated Ship Date: Mar 9, 2026 if ordered today
9" T/L Clutch Frict, LATE, 4 TAB, & 8", Graphitic, Waffle pattern
Part Number: YGA-16177
Not Yet Reviewed
Estimated Ship Date: Mar 9, 2026 if ordered today
Estimated Ship Date: Mar 9, 2026 if ordered today
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